package com.usian.admin.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.usian.admin.mapper.AdChannelMapper;
import com.usian.admin.service.AdChannelService;
import com.usian.model.admin.dtos.ChannelDto;
import com.usian.model.admin.pojos.AdChannel;
import com.usian.model.common.dtos.PageResponseResult;
import com.usian.model.common.dtos.ResponseResult;
import com.usian.model.common.enums.AppHttpCodeEnum;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
public class AdChannelServiceImpl extends ServiceImpl<AdChannelMapper, AdChannel>
        implements AdChannelService {


    @Override
    public ResponseResult findByNameAndPage(ChannelDto dto) {

        //分页查   name  单独查


        //1:校验参数  isNotBlank null和""   isNotEmpty null
        //if(StringUtils.isBlank(dto.getName())){
        //    return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        //}
        dto.checkParam();

        //2:分页查
        Page page = new Page(dto.getPage(),dto.getSize());
        LambdaQueryWrapper<AdChannel> wrapper =new LambdaQueryWrapper<>();
        if(StringUtils.isNotBlank(dto.getName())){
            wrapper.eq(AdChannel::getName,dto.getName());
        }
        IPage result = page(page,wrapper);

        //3:封装结果
        ResponseResult responseResult = new PageResponseResult(dto.getPage(),dto.getSize(),(int)result.getTotal());
        responseResult.setData(result.getRecords());

        return responseResult;
    }

    @Override
    public ResponseResult insert(AdChannel channel) {
        if(null == channel){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        channel.setCreatedTime(new Date());
        save(channel);
        return ResponseResult.okResult(AppHttpCodeEnum.SUCCESS);
    }

    @Override
    public ResponseResult update(AdChannel adChannel) {
        if(null == adChannel || adChannel.getId()==null){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        updateById(adChannel);
        return ResponseResult.okResult(AppHttpCodeEnum.SUCCESS);
    }

    @Override
    public ResponseResult deleteById(Integer id) {
        if(id == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        //2.判断当前频道是否存在 和 是否有效
        AdChannel adChannel = getById(id);
        if(adChannel==null){
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST);
        }
        if(adChannel.getStatus()){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"频道有效不能删除");
        }

        removeById(id);
        return ResponseResult.okResult(AppHttpCodeEnum.SUCCESS);
    }
}
